public class Demo1 {
    public static void main(String[] args) {
        System.out.println("master create demo1");
        System.out.println("master update demo1  first");
        System.out.println("master update demo2 second");
        System.out.println("fix bug from hot_fix");
        System.out.println("hot_fix update demo1 22222");
        System.out.println("远程仓库修改");
    }
}
